JPH022139U - - Google Patents
Info
- Publication number
- JPH022139U JPH022139U JP7860388U JP7860388U JPH022139U JP H022139 U JPH022139 U JP H022139U JP 7860388 U JP7860388 U JP 7860388U JP 7860388 U JP7860388 U JP 7860388U JP H022139 U JPH022139 U JP H022139U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photo sensor
- shielding plate
- sensor
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
Description
第１図は本考案によるセンサ遮光板の好適な一
実施例を適用したレーザプリンタの走査光学系お
よび画像信号処理系を概略的に示す斜視図および
ブロツク図、第２図は第１図に示すフオトセンサ
５７およびその周辺部位を拡大した一部分解の斜
視図、第３図および第４図は本考案によるセンサ
遮光板１０の他の実施例を示す平面図および斜視
図である。
１０……センサ遮光板、１１……重合面、１２
……スリツト、１３，１３ａ，１３ｂ……嵌合部
、２０……基板、２１……孔部、５７……フオト
センサ、５７ａ……受光面。
FIG. 1 is a perspective view and a block diagram schematically showing the scanning optical system and image signal processing system of a laser printer to which a preferred embodiment of the sensor light shielding plate according to the present invention is applied, and FIG. 2 is the same as FIG. 1. FIGS. 3 and 4 are an enlarged partially exploded perspective view of the photo sensor 57 and its surrounding area, and are a plan view and a perspective view showing other embodiments of the sensor light shielding plate 10 according to the present invention. 10...Sensor light shielding plate, 11...Overlapping surface, 12
... Slit, 13, 13a, 13b ... Fitting portion, 20 ... Substrate, 21 ... Hole, 57 ... Photo sensor, 57a ... Light receiving surface.
Claims (1)
あつて、前記フオトセンサの受光面との重合面に
スリツトを形成すると共に、該フオトセンサ近傍
となる前記基板上の所定部位の孔部に挿着される
嵌合部を設けたこと、を特徴とするセンサ遮光板
。 A light-shielding plate that covers a photo sensor fixed to a substrate, which has a slit formed in a surface that overlaps with a light-receiving surface of the photo sensor, and a fitting that is inserted into a hole at a predetermined location on the substrate near the photo sensor. A sensor light-shielding plate characterized by having a joint part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7860388U JPH022139U (en) | 1988-06-14 | 1988-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7860388U JPH022139U (en) | 1988-06-14 | 1988-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022139U true JPH022139U (en) | 1990-01-09 |
Family
ID=31303516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7860388U Pending JPH022139U (en) | 1988-06-14 | 1988-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022139U (en) |
-
1988
- 1988-06-14 JP JP7860388U patent/JPH022139U/ja active Pending